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3 Copyright (C) 2009, 2010, 2011 GNUnet e.V.
5 GNUnet is free software: you can redistribute it and/or modify it
6 under the terms of the GNU Affero General Public License as published
7 by the Free Software Foundation, either version 3 of the License,
8 or (at your option) any later version.
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Affero General Public License for more details.
17 * @file fs/gnunet-service-fs_indexing.h
18 * @brief indexing for the file-sharing service
19 * @author Christian Grothoff
21 #ifndef GNUNET_SERVICE_FS_INDEXING_H
22 #define GNUNET_SERVICE_FS_INDEXING_H
24 #include "gnunet_block_lib.h"
25 #include "gnunet_core_service.h"
26 #include "gnunet_datastore_service.h"
27 #include "gnunet_peer_lib.h"
28 #include "gnunet_protocols.h"
29 #include "gnunet_signatures.h"
30 #include "gnunet_util_lib.h"
34 * We've received an on-demand encoded block from the datastore.
35 * Attempt to do on-demand encoding and (if successful), call the
36 * continuation with the resulting block. On error, clean up and ask
37 * the datastore for more results.
39 * @param key key for the content
40 * @param size number of bytes in data
41 * @param data content stored
42 * @param type type of the content
43 * @param priority priority of the content
44 * @param anonymity anonymity-level for the content
45 * @param replication replication-level for the content
46 * @param expiration expiration time for the content
47 * @param uid unique identifier for the datum;
48 * maybe 0 if no unique identifier is available
49 * @param cont function to call with the actual block (at most once, on success)
50 * @param cont_cls closure for @a cont
51 * @return #GNUNET_OK on success
54 GNUNET_FS_handle_on_demand_block (const struct GNUNET_HashCode *key,
57 enum GNUNET_BLOCK_Type type,
61 struct GNUNET_TIME_Absolute expiration,
63 GNUNET_DATASTORE_DatumProcessor cont,
68 * Transmit information about indexed files to @a mq.
70 * @param mq message queue to send information to
73 GNUNET_FS_indexing_send_list (struct GNUNET_MQ_Handle *mq);
77 * Remove a file from the index.
79 * @param fid identifier of the file to remove
80 * @return #GNUNET_YES if the @a fid was found
83 GNUNET_FS_indexing_do_unindex (const struct GNUNET_HashCode *fid);
87 * Add the given file to the list of indexed files.
89 * @param filename name of the file
90 * @param file_id hash identifier for @a filename
93 GNUNET_FS_add_to_index (const char *filename,
94 const struct GNUNET_HashCode *file_id);
98 * Initialize the indexing submodule.
100 * @param c configuration to use
101 * @param d datastore to use
102 * @return GNUNET_OK on success
105 GNUNET_FS_indexing_init (const struct GNUNET_CONFIGURATION_Handle *c,
106 struct GNUNET_DATASTORE_Handle *d);
110 * Shutdown the module.
113 GNUNET_FS_indexing_done (void);